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9IKT

Crystal structure of the tetrapyrrole binding domain in CoaR at 2 angstrom resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Mercuric resistance operon regulatory protein precorrin isomerasepolymer21823251.72UniProt (Q55938)
Pfam (PF02570)
Synechocystis sp. (strain PCC 6803 / Kazusa)
2C
(A)
DI(HYDROXYETHYL)ETHERnon-polymer106.11Chemie (PEG)
3D, E, F
(A, B)
GLYCEROLnon-polymer92.13Chemie (GOL)
4G, H
(A, B)
waterwater18.0111Chemie (HOH)
Sequence modifications
A, B: 154 - 369 (UniProt: Q55938)
PDBExternal DatabaseDetails
Gly 152-expression tag
Pro 153-expression tag
Ser 281Cys 281conflict
Ser 363Cys 363conflict
Ser 365Cys 365conflict
Ser 369Cys 369conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight46503.5
Non-Polymers*Number of molecules4
Total formula weight382.4
All*Total formula weight46885.9
*Water molecules are not included.

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PDB entries from 2025-10-22

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